In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Q: Sentence: Proteins are long chains of amino acids. Question: What are long chains of amino acids?

A: proteins
****
Q: Sentence: 10 million years long can a large star be on the main sequence stage. Question: How long can a large star be on the main sequence stage?

A: 10 million years
****
Q: Sentence: In naming ternary compounds, the cation is stated first. Question: In naming ternary compounds, which type of particle is stated first?

A:
cation
****
